Doctor insights on:
Why Do I Get Nausea After Eating

1

Depends:
The answer depends on several issues. Is it all foods, some food, trigger foods, how long has this been going on, other symptoms, are you anxious, etc. It could be food poisoning, could be a simple viral gastroenteritis, could be irritable bowel sydrome-d (ibs-d). If perisits, you need to see a dr. For a clinical exam and the dignosis. Best wishes.
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2

Blood pooling:
Some people, after eating might feel dizzy as most of the blood goes around GI system to help food digest ie less blood going to the brain and some might feel dizzy. You might lie down after a meal for 1/2 hour to see if that is helpful.
If symptoms persist, please do see an md. Best of luck.
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3

Much more info:
From what you've provided, it is impossible to tell you anything. Think for a moment and revise your question. Tell us more about yourself and your body. What foods you eat, how much, how often, what manner (fast, at a table, restaurant, w/ family?) what sort of sick? (bloat, burp, vomit, constipation/loose bowels) is this new? Anyone else in family have it? Etc., .
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4

Several reasons:
One of most common causes is nausea from gastroesophageal reflux. Sometimes psychological reasons. Allergy to certain foods can also be porblem.Pregnancy related nausea usually occurs during first and third trimeters. Of course flu and gastroenteritis can be factors. If persistent seek advice of physician.
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6

Problem eating fish:
Dietary triggers for GI symptoms are individualized; it's worthwhile keeping a food diary to see if correlates with certain foods. In general, gut stimulants (caffeine) & dietary fats often precipitate IBS-like complaints. About a third of IBS patients tolerate poorly dietary fiber sources. How your fish is prepared may be more important from the perspective of symptoms than that it is fish.
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7

Dyspepsia :
The most common causes of indigestion are eating too much or too fast, Acid Reflux, gastritis, gastric ulcer, Functional dyspepsia (motility problem of stomach). Dyspepsia is common among patients with UC. Also Gluten sensitivity is common among patients with UC which may cause Dyspepsia.
Talk to your Gasteroenterologist.
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8

Expasnsion:
Cereal, starches, and other foods often expand after it is eaten and absorbs all of the liquid that it can. Sometimes eating more slowly helps you control portion sizes and reduce that bloated feeling. If symptoms persist it would be wise to see your doctor.
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11

Pho...:
By "pho" - i assume you mean the vietnamese soup. You may be bloated due to the amount of liquid in it as well as fresh veggies which can stimulate gas production. See your physician if concerned about chronic bloating versus pain.
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12

It depends ...:
Carbohydrates require more energy to digest, so a person may feel tired after eating them. That is why it is better to emphasize proteins for lunch to help avoid the mid-afternoon "blahs".
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15

Lactose intolerance:
Yogurt contains lactose and persons who have intolerance to it can get stomach cramps, bloating due to gas and/or diarrhea. Try withtholding all dairy including milk products in other foods. A breath test can also rule out lactose intolerance.
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17

Many things.:
There is a long list of things that can trigger migraines or headaches. Maybe is not the "sweet" but something else causing it . Substances hidden in certain foods may trigger them. Sulfites in certain wine, also chocolates, some fruits like straberries, bananas, meat, cheese may trigger it.
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18

No LES/Acid:
You many have many reasons for this but apparently your lower esophageal sphincter (les) is not working and/or you have an overproducton of acid. Severe gerd (gastroesophageal reflux) needs evaluation with an endoscopy and treatment for findings and underlying causes. Usually a ppi (prilosec type drug) is used and maybe an h-2 (zantac (ranitidine) type). You need evaluation and treatment.
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19

Correlation:
A 24 hour examination of your rhythm ("holter monitor") in which you fill out a diary of your activities, meals, and food ingested would help get to the bottom of this mystery!
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